78598896 has 40 divisors (see below), whose sum is σ = 213736320. Its totient is φ = 24820416.

The previous prime is 78598873. The next prime is 78598901. The reversal of 78598896 is 69889587.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42180 + ... + 44003.

It is an arithmetic number, because the mean of its divisors is an integer number (5343408).

Almost surely, 2^78598896 is an apocalyptic number.

78598896 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

78598896 is an abundant number, since it is smaller than the sum of its proper divisors (135137424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78598896 is a wasteful number, since it uses less digits than its factorization.

78598896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86213 (or 86207 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 60.

The square root of 78598896 is about 8865.6018408228. The cubic root of 78598896 is about 428.3566189538.

It can be divided in two parts, 785 and 98896, that added together give a triangular number (99681 = T₄₄₆).

The spelling of 78598896 in words is "seventy-eight million, five hundred ninety-eight thousand, eight hundred ninety-six".